112010201221 has 4 divisors (see below), whose sum is σ = 112014421344. Its totient is φ = 112005981100.

The previous prime is 112010201209. The next prime is 112010201291. The reversal of 112010201221 is 122102010211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 122102010211 = 89 ⋅1371932699.

It is a cyclic number.

It is not a de Polignac number, because 112010201221 - 2⁵ = 112010201189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112010201201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2069995 + ... + 2123416.

It is an arithmetic number, because the mean of its divisors is an integer number (28003605336).

Almost surely, 2^112010201221 is an apocalyptic number.

It is an amenable number.

112010201221 is a deficient number, since it is larger than the sum of its proper divisors (4220123).

112010201221 is an equidigital number, since it uses as much as digits as its factorization.

112010201221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4220122.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 112010201221 its reverse (122102010211), we get a palindrome (234112211432).

The spelling of 112010201221 in words is "one hundred twelve billion, ten million, two hundred one thousand, two hundred twenty-one".